Insertformulahe reThe galileo or gal is the CGS unit of acceleration. The galileo is defined as 1 centimetre per second per second. The symbol of the galileo is Gal. See Special:Upload for upload instructions This image is derived from the Wikipedia logo. ... CGS is an acronym for centimetre-gram-second. ... Acceleration is the time rate of change of velocity, and at any point on a v-t graph, it is given by the gradient of the tangent to that point In physics, acceleration (symbol: a) is defined as the rate of change (or time derivative) of velocity. ... A centimetre (American spelling: centimeter, symbol: cm) is an SI unit of length. ... This article is about the unit of time. ...
In SI units, one galileo equals 1/100 metre per second squared = 0.01 ms−2. The International System of Units (abbreviated SI from the French phrase, Système International dUnités) is the most widely used system of units. ... Metres per second squared is the SI derived unit of acceleration (scalar) and (vector), defined by distance in metres divided by time in seconds and again divided by time in seconds. ...
The acceleration due to gravity at the Earth's surface is approximately 980 Gal. Variations in gravitational acceleration, such as may be due to mountains or masses of lesser density within the Earth's crust, are typically tens to hundreds of milligalileos (mGal).
The galileo is named after Galileo Galilei, a physicist who made the first measurements of the acceleration due to gravity. Galileo Galilei (Pisa, February 15, 1564 – Arcetri, January 8, 1642), was a Tuscan astronomer, philosopher, and physicist who is closely associated with the scientific revolution. ...
This unit is the English corn or grain gallon, standardized during the reign of Elizabeth I in the sixteenth century.
an idiomatic "unit" of distance; it's common to hear that something is "as small as a gnat's eye." In fact, the eyes of typical gnats tend to have diameters similar in size to a hair's breadth: roughly 100-150 micrometers (0.10-0.15 millimeters).
The unit is named for the British physician L. Harold Gray (1905-1965), an authority on the use of radiation in the treatment of cancer.
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